CCA-410 · Question #19
CCA-410 Question #19: Real Exam Question with Answer & Explanation
The correct answer is B. Configure the client to mount both namespaces by specifying the appropriate properties in the core-site.xml. Note: HDFS Federation improves the existing HDFS architecture through a clear separation of namespace and storage, enabling generic block storage layer. It enables support for multiple namespaces in the cluster to improve scalability and isolation. Federation also opens up the ar
Question
Options
- AConfigure the client to mount the /data namespace. As long as a single namespace is mounted and
- BConfigure the client to mount both namespaces by specifying the appropriate properties in the core-site.xml
- CYou cannot configure a client to access both directories in the current implementation of HDFS Federation.
- DYou don't need to configure any parameters on the client machine. Access is controlled by the NameNodes
Explanation
Note: HDFS Federation improves the existing HDFS architecture through a clear separation of namespace and storage, enabling generic block storage layer. It enables support for multiple namespaces in the cluster to improve scalability and isolation. Federation also opens up the architecture, expanding the applicability of HDFS cluster to new implementations and use cases.
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